Ext.util.Draggable.Animation.Linear = Ext.extend(Ext.util.Draggable.Animation.Abstract, {
    
    duration: 0,

    
    endOffset: 0,

    getOffset : function() {
        var distance = this.endOffset - this.startOffset,
            deltaTime = Date.now() - this.startTime,
            omegaTime = Math.min(1, (deltaTime / this.duration));

        return this.startOffset + (omegaTime * distance);
    }
});